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Do not confuse B12 coloring with contamination or degradation

Others describe a sense of general wellbeing or improved recovery from workouts

Without sufficient B12, this sheath can weaken, which may explain symptoms such as tingling, numbness, memory issues, or brain fog. From an energy standpoint, B12 supports the methylation cycle , a chemical pathway involved in energy metabolism and detoxification

The nervous system is especially dependent on B12 because many fatty acids are used to make myelin, the sheaths that wrap our neurons and nerve bundles

A systematic review in 2024 identified 36 studies (35 preclinical, 1 clinical) from 1993 to 2024